Phase Changes

Front

The phase change from water vapor to liquid water is known as...

Back

Condensation

Front

True or False: All phase changes (changing states) require energy to be added or taken away.

Back

True

Front

Which state of matter has molecules that slide past each other but stay close together?

Back

Liquid

Front

What happens to particles when they are heated?

Back

They speed up and spread out.

Front

A change of state from a liquid to a solid is called...

Back

Freezing

Front

What is the phase change from solid to liquid called?

Back

Melting

Front

What is the phase change from liquid to gas called?

Back

Evaporation

Front

What is the phase change from gas to solid called?

Back

Deposition

Front

What is the term for the energy required to change a substance from solid to liquid?

Back

Heat of fusion

Front

What is the term for the energy required to change a substance from liquid to gas?

Back

Heat of vaporization